#region Copyright (c) 2003-2005, Luke T. Maxon

/********************************************************************************************************************
'
' Copyright (c) 2003-2005, Luke T. Maxon
' All rights reserved.
' 
' Redistribution and use in source and binary forms, with or without modification, are permitted provided
' that the following conditions are met:
' 
' * Redistributions of source code must retain the above copyright notice, this list of conditions and the
' 	following disclaimer.
' 
' * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
' 	the following disclaimer in the documentation and/or other materials provided with the distribution.
' 
' * Neither the name of the author nor the names of its contributors may be used to endorse or 
' 	promote products derived from this software without specific prior written permission.
' 
' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
' WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
' PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
' ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
' LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
' INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
' OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
' IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'
'*******************************************************************************************************************/

#endregion

using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Windows.Forms;


namespace NUnit.Extensions.Forms.Win32Interop
{
	public class SendKeyboardInput : ISendKeyboardInput
	{
		private Win32.KEYBDINPUT keyboardInput = new Win32.KEYBDINPUT();

		public SendKeyboardInput()
		{
			keyboardInput.type = Win32.INPUT_KEYBOARD;
			keyboardInput.dwExtraInfo = Win32.GetMessageExtraInfo();
			keyboardInput.time = 0;
			keyboardInput.wScan = 0;
		}

		public void SendInput(IntPtr window, VirtualKeyCodes keyCodes, SendInputFlags flags)
		{
			keyboardInput.dwFlags = (int)flags;
			keyboardInput.wVk = (short)keyCodes;

			if (Win32.SendKeyboardInput(1, ref keyboardInput, Marshal.SizeOf(keyboardInput)) == 0)
			{
				throw new Win32Exception();
			}

			Application.DoEvents();
		}
	}
}
